v3.25.3

Notes Payable, Net - Additional information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)
Notes Payable, Net
Outstanding balance	$ 1,182,584	$ 1,194,726	$ 948,000
Average interest rate	8.10%	7.79%	7.97%
Unamortized debt issuance costs	$ 17,416	$ 13,420	$ 14,100
Maximum Senior Leverage Ratio	2.5
Maximum Leverage Ratio	3.25
Minimum Fixed Charge Coverage Ratio	1.25
Minimum tangible net worth to subsequent quarter's net income	50.00%
Minimum actual collections to projected collections over trailing twelve-month period	85.00%

The highest allowable leverage ratio for a company in order to comply with the debt covenants during the period.

+ References

No definition available.

+ Details

Name:	jc_DebtInstrumentFinancialCovenantsMaximumLeverageRatio
Namespace Prefix:	jc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum senior leverage ratio the entity can take to comply with the debt covenants during the period.

+ References

No definition available.

+ Details

Name:	jc_DebtInstrumentFinancialCovenantsMaximumSeniorLeverageRatio
Namespace Prefix:	jc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of minimum actual collections to the projected collections over the trailing twelve months period the company needs to fulfill as part of compliance of debt covenants.

+ References

No definition available.

+ Details

Name:	jc_DebtInstrumentFinancialCovenantsMinimumActualCollectionsToProjectedCollectionsOverTrailingTwelveMonthsPercentage
Namespace Prefix:	jc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum fixed charge coverage ratio the entity needs to meet in order to comply with the debt covenants during the period.

+ References

No definition available.

+ Details

Name:	jc_DebtInstrumentFinancialCovenantsMinimumFixedChargeCoverageRatio
Namespace Prefix:	jc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of minimum tangible net worth to each of the subsequent quarter's net income the company needs to maintain for debt covenant compliance.

+ References

No definition available.

+ Details

Name:	jc_DebtInstrumentFinancialCovenantsMinimumTangibleNetWorthToEachSubsequentQuarterNetIncomePercentage
Namespace Prefix:	jc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

No definition available.

+ Details

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Jefferson Capital, Inc. / DE 10-Q